BGS mineralogy and petrology collection record

Sample number S16244
Sample Donor Richey, James E.
Rock name 'Original entry: Spherulitic Quartz Keratophyre'
Stratigraphy Not entered
Comments NNE 2 P dyke, 6 ft thick, chilled against S. 16245, and cutting S. 16246; Memoir, p. 374
Locality details 1580 yds S 35 deg W of Eilean Feoir
50k map sheet Mull (44)

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Map reference NM 5232 3778
Year collected Not entered 
Bore name Not applicable
Confidentiality No restrictions

Petrological thin sections

Links to high resolution images

Transition from XPL to PPL light


S16244

Cross Polarized, S16244

Plane Polarized, S16244

Plane Polarized, S16244